Canada - Engine - Intermittent MIL ON, DTC P0335 Set

L-TCI-3246

November 19, 2012

INTERMITTENT MIL "ON" DTC P0335

Service Category
Vehicle Interior

Section
Meter/Gauge/Display

Market
Canada





APPLICABILITY:

INTRODUCTION:

Some 2010 - 2011 model year vehicles equipped with the 2AZ engine may exhibit an intermittent MIL "ON" condition with Diagnostic Trouble Code (DTC) P0335 (Crankshaft Position Sensor "A" Circuit) stored. A new intake camshaft gear assembly is now available to address this condition.





WARRANTY INFORMATION:





PARTS INFORMATION:

REPAIR PROCEDURE:

1. Using Techstream review the Freeze Frame Data for DTC P0335.

Does the FFD indicate the engine was at operating temperature and near idle speed when the DTC was stored?

HINT

^ Coolant Temperature is approximately 85°C (185°F) or more.

^ Engine RPM is less than 1000 RPM.

YES - Proceed to step 2.

NO - This Service bulletin does NOT apply.

Refer to the ETAS/TIS library applicable model and model year Repair Manual:

^ 2010-2011 HS250h:
Engine/Hybrid System - Engine Control - "2AZ-FXE Engine Control System: SFI System: P0335: Crankshaft Position Sensor "A" Circuit"

2. Remove and replace the camshaft timing gear assembly.

Refer to the ETAS/TIS library, applicable model and model year Repair Manual:

^ 2010-2011 HS250h:
Engine/Hybrid System - Engine Mechanical - "2AZ-FXE Engine Mechanical: Camshaft:Removal / Installation"





3. Identify whether the camshaft timing gear is unlocked or locked. (See Figure 1)

^ If the camshaft timing gear is unlocked, it is ready to install.

^ If it is LOCKED, follow the steps below to unlock the camshaft timing gear before installing.





A. To disengage the camshaft timing gear lock pin, apply and hold approximately 21 psi of air pressure at the oil feed hole located 90 degrees clockwise of the oval slot. (See Figure 2.)

B. With the 21 psi of air still applied to the gear, turn the interior assembly counterclockwise. (See black arrow in Figure 2.)





C. Install the timing gear assembly onto the camshaft with the straight pin slightly to the right of the key groove as shown in Figure 3.

D. Turn the camshaft timing gear assembly while pushing it lightly against the camshaft until the straight pin engages the key slot.





E. Check that the camshaft timing gear is fully seated on the camshaft and that there is no clearance between the end of the camshaft and the timing gear. Install the camshaft bolt finger tight.

F. While holding the camshaft with a wrench, torque the camshaft bolt.
Torque: 54 N*m (551 kgf*cm, 40 ft*lbf)





G. After torquing the camshaft bolt, rotate the camshaft timing gear clockwise while holding the camshaft stationary until the dots are aligned, to engage the camshaft timing gear lock pin.

H. Install the timing chain.

HINT

Camshaft timing is performed with the camshaft timing gear in the locked position (dots aligned).

4. Clear DTCs using Techstream.

5. Test drive the vehicle to confirm the repair.

NOTE:
Issue of the Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.

© 2012 Lexus, a division of Toyota Motor Sales, Canada